656956957222 has 8 divisors (see below), whose sum is σ = 985439898936. Its totient is φ = 328476990912.

The previous prime is 656956957213. The next prime is 656956957339. The reversal of 656956957222 is 222759659656.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 69643 + ... + 1148374.

It is an arithmetic number, because the mean of its divisors is an integer number (123179987367).

Almost surely, 2^656956957222 is an apocalyptic number.

656956957222 is a deficient number, since it is larger than the sum of its proper divisors (328482941714).

656956957222 is a wasteful number, since it uses less digits than its factorization.

656956957222 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1487702.

The product of its digits is 122472000, while the sum is 64.

The spelling of 656956957222 in words is "six hundred fifty-six billion, nine hundred fifty-six million, nine hundred fifty-seven thousand, two hundred twenty-two".